ALSTON-GUOKAS OIL UNIT

Oil · District 05 · Lease #3008

Operator: ROBERTS & HAMMACK, INC.

Cum Oil

23k BBL

Cum Gas

17k MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

1995-05

Production History

Cum Oil: 22,809 BBL Cum Gas: 17,457 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

111 BBL/mo

Di (annual)

6.0%

b-factor

0.4

EUR

25,523 BBL

R-squared

0.799

type

hyperbolic

Operator History (from monthly production reports)

2007-03 — 2026-07 ROBERTS & HAMMACK INC. 233 mo
1993-01 — 2007-02 ROBERTS & HAMMACK, INC. 170 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ROBERTS & HAMMACK INC.16,0001986-09-24